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[1.11.2] New inventory, capability


DjCtavia

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Hello guys,

well, I have a huge problem I can't answer with searching on forum or with Doc forge. I want to do a custom Inventory player, but for that  I need to create a capability for stock this "inventory". Then I checked the doc here : https://mcforge.readthedocs.io/en/latest/datastorage/capabilities/ but, either I do not understand, or something is missing... (But I think I do not understand, I have a basic English, I find)

 

Then, the best I can do is to show you what I already do, and what I do wrong.

 

CapabilityHandler.class :

Spoiler

package fr.afraidofthedark.capability;

import fr.afraidofthedark.AfraidOfTheDark;
import fr.afraidofthedark.capability.darknight.DarkNightProvider;
import fr.afraidofthedark.capability.inventory.CustomInventoryProvider;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.event.AttachCapabilitiesEvent;
import net.minecraftforge.event.entity.player.EntityItemPickupEvent;
import net.minecraftforge.fml.common.eventhandler.EventPriority;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;

/**
 * Created by Mr. Dj on 10/05/2017.
 */
public class CapabilityHandler {
    public static final ResourceLocation ITEM_HANDLER_CAPABILITY = new ResourceLocation(AfraidOfTheDark.MODID, "custominv");

    @SubscribeEvent(priority = EventPriority.HIGHEST)
    public void attachCapability(AttachCapabilitiesEvent.Entity event)
    {
        if (!(event.getEntity() instanceof EntityPlayer)) return;

        event.addCapability(ITEM_HANDLER_CAPABILITY, new CustomInventoryProvider());
        //event.addCapability(CustomInventoryCap.ID, new CustomInventoryProvider(new CustomInventory()));
    }

    @SubscribeEvent
    public void itemPickup(EntityItemPickupEvent event) {
        // TEST capability
        if(event.getEntity() instanceof EntityPlayer) {
            System.out.println("inserting " + event.getItem().getEntityItem());
            //event.getEntity().getCapability(CustomInventoryCap.CUSTOM_INVENTORY, null).insertItem(0, event.getItem().getEntityItem(), true); That was a test
            event.getItem().setDead();
        }
    }

}

 

CustomInventoryProvider.class :

Spoiler

package fr.afraidofthedark.capability.inventory;

import net.minecraft.item.ItemStack;
import net.minecraft.util.EnumFacing;
import net.minecraftforge.common.capabilities.Capability;
import net.minecraftforge.common.capabilities.CapabilityInject;
import net.minecraftforge.common.capabilities.ICapabilityProvider;
import net.minecraftforge.items.IItemHandler;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

/**
 * Created by Mr. Dj on 22/05/2017.
 */

public class CustomInventoryProvider implements ICapabilityProvider, IItemHandler  {
    @CapabilityInject(IItemHandler .class)
    static Capability<IItemHandler > ITEM_HANDLER_CAPABILITY = null;

    private IItemHandler instance = ITEM_HANDLER_CAPABILITY.getDefaultInstance();

    @Override
    public boolean hasCapability(@Nonnull Capability<?> capability, @Nullable EnumFacing facing) {
        return capability == ITEM_HANDLER_CAPABILITY;
    }

    @Nullable
    @Override
    public <T> T getCapability(@Nonnull Capability<T> capability, @Nullable EnumFacing facing) {
        return capability == ITEM_HANDLER_CAPABILITY ? ITEM_HANDLER_CAPABILITY.<T> cast(this.instance) : null;
    }

    @Override
    public int getSlots() {
        return 5;
    }

    @Nonnull
    @Override
    public ItemStack getStackInSlot(int slot) {
        return null;
    }

    @Nonnull
    @Override
    public ItemStack insertItem(int slot, @Nonnull ItemStack stack, boolean simulate) {
        return null;
    }

    @Nonnull
    @Override
    public ItemStack extractItem(int slot, int amount, boolean simulate) {
        return null;
    }

    @Override
    public int getSlotLimit(int slot) {
        return 0;
    }
}

 

CommonProxy.class :

Spoiler

package fr.afraidofthedark.proxy;

import fr.afraidofthedark.AfraidOfTheDark;
import fr.afraidofthedark.capability.CapabilityHandler;
import fr.afraidofthedark.capability.inventory.CustomInventoryProvider;
import fr.afraidofthedark.item.ItemHandler;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.common.capabilities.CapabilityManager;
import net.minecraftforge.fml.common.event.FMLInitializationEvent;
import net.minecraftforge.fml.common.event.FMLPostInitializationEvent;
import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
import net.minecraftforge.fml.common.network.NetworkRegistry;
import net.minecraftforge.fml.common.network.simpleimpl.SimpleNetworkWrapper;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.items.IItemHandler;

/**
 * Created by Mr. Dj on 10/05/2017.
 */
public class CommonProxy {

    public void preInit(FMLPreInitializationEvent event) {
        CapabilityManager.INSTANCE.register(IItemHandler.class, new CustomInventoryProvider(), IItemHandler.class);
        MinecraftForge.EVENT_BUS.register(new CapabilityHandler());
    }

    public void init(FMLInitializationEvent event) {
    }

    public void postInit(FMLPostInitializationEvent event) {

    }

}

 

 

Error on CommonProxy : line : "CapabilityManager.INSTANCE.register(IItemHandler.class, new IItemHandler(), IItemHandler.class);"

 

Well, I hope there is everything you need for helping me ! I think there is so much things to change, but if I can understand where from the problem, that could be very cool.

Thank you ;)

Edited by DjCtavia
Add bold to class + line Error
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25 minutes ago, diesieben07 said:

IItemHandler already has a capability associated with it. You need to use a different interface. The easiest way is to just make an empty marker interface for your item handler.

Should I do a new interface who extends "IItemHandler" then ? Really, I don't see what class does I need, and how tu use it... I tried, but really I'm doing it really bad...

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Well, get it, but in my Storage, how should I WriteNBT() and ReadNBT() ?

There is a lot of NBT type, or maybe there is another way ?

 

(Sorry to waste your time, look like understand nothing, but I really don't understand how to use correctly everything of Capabilities, I have created one for money who work very well, but when I want to doing with slot, that like I'm loosing every landmark.)

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